/* Genel Stiller */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #333;
    background-color: #fff;
}

/* Breadcrumb */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin: 0;
    font-size: 14px;
}

.breadcrumb-item a {
    color: #666;
    text-decoration: none;
}

.breadcrumb-item.active {
    color: #333;
}

/* Ürün Galerisi */
.product-gallery {
    position: sticky;
    top: 20px;
}

.main-image-container {
    background: #f5f5f5;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.main-image {
    width: 100%;
    height: auto;
    display: block;
}

.thumbnail-container {
    display: flex;
    gap: 10px;
}

.thumbnail {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

    .thumbnail.active,
    .thumbnail:hover {
        border-color: #333;
    }

/* Ürün Bilgileri */
.product-title {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 10px;
    color: #333;
}

.brand-link {
    color: #0066cc;
    text-decoration: none;
    font-size: 14px;
}

    .brand-link:hover {
        text-decoration: underline;
    }

/* Satıcı Bilgisi */
.seller-info {
    padding: 20px;
    background: #f8f8f8;
    border-radius: 8px;
}

.seller-label {
    color: #666;
    font-size: 14px;
}

.seller-details strong {
    display: block;
    font-size: 16px;
    color: #333;
}

.seller-location {
    font-size: 14px;
    color: #666;
}

.takip-et-btn {
    padding: 8px 20px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: all 0.3s ease;
}

    .takip-et-btn:hover {
        background: #f5f5f5;
        border-color: #333;
    }

/* Sipariş Bilgileri */
.order-info {
    margin-top: 20px;
}

.info-box {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f8f8;
    border-radius: 8px;
}

    .info-box i {
        font-size: 24px;
        color: #666;
    }

.info-label {
    display: block;
    font-size: 12px;
    color: #666;
    margin-bottom: 2px;
}

.info-box strong {
    font-size: 16px;
    color: #333;
}

/* Özellikler */
.features {
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    padding: 20px 0;
}

.feature-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #f5f5f5;
}

    .feature-item:last-child {
        border-bottom: none;
    }

.feature-label {
    color: #666;
    font-size: 14px;
    font-weight: 400;
}

.feature-value {
    color: #333;
    font-size: 14px;
    text-align: right;
    max-width: 60%;
}

.certificates {
    display: flex;
    gap: 10px;
}

    .certificates img {
        width: 30px;
        height: 30px;
        border-radius: 4px;
    }

.see-all-features {
    display: inline-block;
    margin-top: 15px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

    .see-all-features:hover {
        text-decoration: underline;
    }

/* İşlem Butonları */
.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

    .action-buttons .btn {
        flex: 1;
        padding: 12px 24px;
        font-size: 16px;
        font-weight: 500;
        border-radius: 4px;
    }

.btn-outline-dark {
    border: 2px solid #333;
}

.btn-dark {
    background: #333;
    border: 2px solid #333;
}

/* Tab Menü */
.product-tabs {
    margin-bottom: 50px;
}

.nav-tabs {
    border-bottom: 2px solid #eee;
}

    .nav-tabs .nav-link {
        color: #666;
        border: none;
        border-radius: 0;
        padding: 12px 24px;
        font-weight: 500;
        position: relative;
    }

        .nav-tabs .nav-link.active {
            color: #333;
            background: transparent;
            border: none;
        }

            .nav-tabs .nav-link.active::after {
                content: '';
                position: absolute;
                bottom: -2px;
                left: 0;
                right: 0;
                height: 2px;
                background: #333;
            }

.tab-content {
    padding: 30px 0;
}

.tab-pane h3 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 20px;
    color: #333;
}

.tab-pane p {
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
}

/* Dökümanlar */
.document-list {
    background: #f8f8f8;
    border-radius: 8px;
    padding: 20px;
}

.document-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid #e5e5e5;
}

    .document-item:last-child {
        border-bottom: none;
    }

    .document-item span:first-child {
        flex: 1;
        font-weight: 500;
        color: #333;
    }

    .document-item span:nth-child(2) {
        margin: 0 20px;
        color: #666;
        font-size: 14px;
    }

.btn-download {
    margin-left: 10px;
    padding: 6px 16px;
    background: transparent;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: all 0.3s ease;
}

    .btn-download:hover {
        background: #333;
        color: #fff;
        border-color: #333;
    }

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.video-item {
    cursor: pointer;
}

.video-thumbnail {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background: #000;
}

    .video-thumbnail img {
        width: 100%;
        height: auto;
        display: block;
        transition: opacity 0.3s ease;
    }

.video-item:hover .video-thumbnail img {
    opacity: 0.8;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

    .play-button i {
        font-size: 20px;
        color: #333;
        margin-left: 3px;
    }

.video-item:hover .play-button {
    transform: translate(-50%, -50%) scale(1.1);
}

.video-item h5 {
    margin-top: 15px;
    font-size: 16px;
    font-weight: 500;
    color: #333;
}

/* Makale Grid */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.article-card {
    cursor: pointer;
    transition: transform 0.3s ease;
}

    .article-card:hover {
        transform: translateY(-5px);
    }

    .article-card img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        border-radius: 8px;
        margin-bottom: 15px;
    }

    .article-card h5 {
        font-size: 18px;
        font-weight: 500;
        color: #333;
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .article-card p {
        font-size: 14px;
        color: #666;
    }

/* Responsive */
@media (max-width: 768px) {
    .product-gallery {
        position: static;
    }

    .thumbnail-container {
        justify-content: center;
    }

    .action-buttons {
        flex-direction: column;
    }

    .nav-tabs .nav-link {
        padding: 10px 15px;
        font-size: 14px;
    }

    .video-grid,
    .article-grid {
        grid-template-columns: 1fr;
    }
}